Expected

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED THURSDAY... * WINDS...Northwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fire that develops will spread quickly. Outdoor burning is not recommended. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

* WHAT...Sub-freezing temperatures expected. * WHERE...Central Yampa River Basin, Lower Yampa River Basin, Animas River Basin, Four Corners/Upper Dolores River, San Juan River Basin, Central Colorado River Basin, and Debeque to Silt Corridor. * WHEN...From 2 AM to 8 AM MDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...Snow ABOVE 6500 FEET ELEVATION. Additional snow accumulations up to 6 inches. Winds gusting as high as 40 mph. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, Bear River Range, and Caribou Range. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday morning and evening commutes. Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions.

* WHAT...Snow. Additional snow accumulations up to 4 inches in southern and southeastern portions of the county. Winds gusting as high as 40 mph. * WHERE...Cascade County below 5000ft. * WHEN...Until noon MDT today. * IMPACTS...Expect highly variable road conditions, including difficult driving due to slush or snow covered roadways. * ADDITIONAL DETAILS...Little snow accumulation is forecast in Great Falls. Slow down and use caution while traveling. The latest road

* WHAT...Heavy snow. Additional snow accumulations up to 5 inches. Winds gusting as high as 50 mph. * WHERE...Little Belt and Highwood Mountains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. Falling and or blowing snow may significantly reduce visibility below a quarter mile at times. Those with outdoor plans should be prepared for dangerous outdoor conditions. * ADDITIONAL DETAILS...The heavy, wet snow may cause instances of

* WHAT...Snow. Additional snow accumulations between 3 and 7 inches at and near pass level, with greater amounts above pass level. Winds gusting as high as 45 mph. * WHERE...Big Belt, Bridger and Castle Mountains. * WHEN...Until noon MDT Friday. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. Those in the backcountry should ensure they are prepared for dangerous conditions. * ADDITIONAL DETAILS...The wet snow may cause isolated instances of power outages and or tree damage.

* WHAT...Snow. Additional snow accumulations up to 3 inches at lower elevations and 8 inches in the mountains. Winds gusting as high as 40 mph. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...Until noon MDT Friday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Widespread blowing snow could significantly reduce visibility. The hazardous conditions could impact the Thursday morning and evening commutes. Gusty winds

* WHAT...Snow expected. Total snow accumulations between 1 and 3 inches. Winds gusting as high as 35 mph. * WHERE...The Interstate 90 Corridor between Bozeman and Whitehall, The Madison and Beaverhead River Valleys, and Canyon Ferry Area. * WHEN...From 6 PM this evening to noon MDT Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes. Slow down and use caution while traveling. The latest road

* WHAT...Heavy snow. Additional snow accumulations up to 3 inches, with highest amounts across northwestern portions of Judith Basin County. Winds gusting as high as 50 mph. * WHERE...Judith Basin County and Judith Gap. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. Falling and or blowing snow may significantly reduce visibility below a quarter mile at times. * ADDITIONAL DETAILS...The heavy, wet snow may cause instances of

* WHAT...Snow. Additional snow accumulations up to 3 inches at and above pass level with up to an additional inch at lower elevations. Winds gusting as high as 50 mph. * WHERE...Eastern Glacier National Park and adjacent foothills and plains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. Falling and or blowing snow may significantly reduce visibility at times. Tire chains may be required for some